Related:

• condom n. 1. The protective plastic bag that accompanies 3.
  5-inch microfloppy diskettes. Rarely, also used of (paper) disk envelopes....
• arf: /snarf/ vt. 1. To grab, esp. to grab a large document or file for the purpose of using it with or without the author's permission.
  See also {BLT}. 2. [in the UNIX community] To fetch a file or set of files across a network....
• bit-paired keyboard n.,obs. (alt. `bit-shift keyboard') A non-standard keyboard layout that seems to have originated with the Teletype ASR-33 and remained common for several years on early computer equipment.
  The ASR-33 was a mechanical device (see EOU), so the only way to generate the character codes from keystrokes was by some physical linkage....
• uke: /n[y]ook/ vt. 1. To intentionally delete the entire contents of a given directory or storage volume.
  On UNIX, `rm -r /usr' will nuke everything in the usr filesystem....
• arf /snarf/ vt. 1. To grab, esp. to grab a large document or file for the purpose of using it with or without the author's permission.
  See also BLT. 2. [in the Unix community] To fetch a file or set of files across a network....
• blivet: /bliv'*t/ [allegedly from a World War II military term meaning "ten pounds of manure in a five-pound bag"] n.
  1. An intractable problem. 2. A crucial piece of hardware that can't be fixed or replaced if it breaks....
• heartbeat: n. 1. The signal emitted by a Level 2 Ethernet transceiver at the end of every packet to show that the collision-detection circuit is still connected.
  2. A periodic synchronization signal used by software or hardware, such as a bus clock or a periodic interrupt....
• crash: 1. n. A sudden, usually drastic failure. Most often said of the {system} (q.
  v., sense 1), esp. of magnetic disk drives (the term originally described what happened when the air gap of a hard disk collapses)....
• quadruple bucky: n., obs. 1. On an MIT {space-cadet keyboard}, use of all four of the shifting keys (control, meta, hyper, and super) while typing a character key.
  2. On a Stanford or MIT keyboard in {raw mode}, use of four shift keys while typing a fifth character, where the four shift keys are the control and meta keys on *both* sides of the keyboard....